Link for a security chain



FIG. 1 is a top, front, and left side perspective view of a link for asecurity chain showing my new design;

FIG. 2 is a front elevational view thereof, the rear being identical inappearance;

FIG. 3 is a top plan view thereof, the bottom being identical inappearance; and,

FIG. 4 is a left side elevational view thereof, the right side being amirror image of that shown.

I claim the ornamental design for a link for a security chain, as shownand described.